作者dolphin0111 (丁哥)
看板TransPhys
标题[电磁] 一题电力学的题目
时间Tue Mar 4 15:50:50 2008
A very long, solid insulating cylinder with radius R has a cylindrical hole
with radius a bored along its entire length. The axis of the hole is a
distance b from the axis of the cylinder, where a<b<R . The solid material of
the cylinder has a uniform volume charge density p. Find the magnitude and
direction of the electric field E inside the hole.
Express your answer in terms of the variables p,R,a,b and ε.
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.114.220.131